<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 29, 2016, at 5:33 PM, happy.neko <<a href="mailto:happy.neko@gmail.com" class="">happy.neko@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><div class="">I know this question is impossible to answer exactly but what roughly estimated CPU usage could I expect for conference with five 480p streams transcoded at 15 fps.<br class=""></div>One room with common core i5 quad CPU, 5 simultaneous rooms, 10 rooms?<br class=""></div></div></div></blockquote><div><br class=""></div>Correct, it is indeed. Try it out and see.</div><div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class=""><br class=""></div>Also I am a bit puzzled about differences between "mux" and "transcode" video modes. "Mux" is required to place different sources on canvas (compose completely new video stream) while "transcode" just reencodes video source with different codec, am I right?<br class=""></div></div></blockquote><div><br class=""></div>Transcode is similar to 1x1 layout in mux mode, uses a basic video follows audio approach. It does indeed re-encode the stream.</div><div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><br class=""><div class=""><div class=""><div class=""><div class="gmail_extra"><div class="gmail_quote">2016-05-29 22:45 GMT+03:00 Michael Jerris <span dir="ltr" class=""><<a href="mailto:mike@jerris.com" target="_blank" class="">mike@jerris.com</a>></span>:<br class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">What you are describing is a video sfu, which we are not. We would accomplish the same while using less bandwidth but more cpu.<div class=""><div class="h5"><span class=""></span><br class=""><br class="">On Saturday, May 28, 2016, happy.neko <<a href="mailto:happy.neko@gmail.com" target="_blank" class="">happy.neko@gmail.com</a>> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class=""><div class=""><div class=""><div class=""><div class=""><div class=""><div class="">Hello,<br class=""><br class=""></div>I have following requirements for multi-user video conference:<br class=""><br class=""></div>1. One Teacher and up to 10 Students are in the same room.<br class=""></div>2.
Teacher hears everyone in the room and sees video streams from every
student (total bandwidth = 1 audios stream + n video streams).<br class=""></div>3.
Student hears everyone in the room and sees video stream from Teacher
only (total bandwidth = 1 audio stream + 1 video stream).<br class=""></div>4. There is no CPU intensive video encoding process on the server. Teacher receives video streams as-is plus muxed audio stream.<br class=""></div>5. Conference is auto-recorded on the server. (I don't know exactly how, mp4 with multiple video streams?)<br class=""><br clear="all" class="">Is it possible to implement this with FreeSwitch? If no what requirements should be relaxed?<br clear="all" class=""><br class="">-- <br class=""><div data-smartmail="gmail_signature" class=""><font color="#888888" class=""><div data-smartmail="gmail_signature" class="">Best regards,<br class=""></div><div data-smartmail="gmail_signature" class="">I. Sokolov</div></font></div>
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